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May 16, 2026PeerJOpen Access

Integrating line × tester analysis and GGE biplot to identify superior sweet corn hybrids in tropical environments

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Authors

DRDedi RuswandiAIAde IsmailGPGalang Sukma Persada

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Overview

Randomized trial evaluates yield traits of sweet corn hybrids, suggesting effective breeding strategies.

Key Points

  • The study aims to identify superior sweet corn hybrids by analyzing genotypes and their interaction with environmental factors.
  • Evaluated 20 inbred lines and 4 testers, creating 80 hybrids across two seasons.
  • Utilized line × tester design and GGE biplot analysis to assess yield-related traits.
  • Observed significant variation indicating dominant non-additive effects in hybrids.
  • L18 identified as the best general combiner for ear diameter and length.
  • Superior hybrids L2 × T4, L5 × T4, and L12 × T1 consistently outperformed across seasons.
  • Optimal testers included T1 for brix and T2 for ear length and kernel row number.

Cite This Study

Ruswandi et al. (2026) studied this question.

synapsesocial.com/papers/6a080a71a487c87a6a40c623https://doi.org/10.7717/peerj.20966
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